Ace the Certified Ophthalmic Assistant Exam 2026 – Eye-Opening Success Awaits!

The calibration of an applanation tonometer should be checked at settings of 0, 2, and 6. These settings are crucial for ensuring the accuracy of intraocular pressure readings. Checking the tonometer calibration at these specific settings helps to verify that it is functioning correctly and providing reliable measurements for the diagnosis and management of eye conditions such as glaucoma. It is essential for a certified ophthalmic assistant to know and follow the proper procedures for equipment calibration to support accurate patient care.